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Diffstat (limited to 'drivers/spi/spi-pxa2xx.c')
-rw-r--r--drivers/spi/spi-pxa2xx.c73
1 files changed, 44 insertions, 29 deletions
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 8baa5b038f15..612cc49db28f 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -33,6 +33,7 @@
#include <linux/clk.h>
#include <linux/pm_runtime.h>
#include <linux/acpi.h>
+#include <linux/of_device.h>
#include "spi-pxa2xx.h"
@@ -1335,9 +1336,6 @@ static void cleanup(struct spi_device *spi)
kfree(chip);
}
-#ifdef CONFIG_PCI
-#ifdef CONFIG_ACPI
-
static const struct acpi_device_id pxa2xx_spi_acpi_match[] = {
{ "INT33C0", LPSS_LPT_SSP },
{ "INT33C1", LPSS_LPT_SSP },
@@ -1349,23 +1347,6 @@ static const struct acpi_device_id pxa2xx_spi_acpi_match[] = {
};
MODULE_DEVICE_TABLE(acpi, pxa2xx_spi_acpi_match);
-static int pxa2xx_spi_get_port_id(struct acpi_device *adev)
-{
- unsigned int devid;
- int port_id = -1;
-
- if (adev && adev->pnp.unique_id &&
- !kstrtouint(adev->pnp.unique_id, 0, &devid))
- port_id = devid;
- return port_id;
-}
-#else /* !CONFIG_ACPI */
-static int pxa2xx_spi_get_port_id(struct acpi_device *adev)
-{
- return -1;
-}
-#endif
-
/*
* PCI IDs of compound devices that integrate both host controller and private
* integrated DMA engine. Please note these are not used in module
@@ -1412,6 +1393,37 @@ static const struct pci_device_id pxa2xx_spi_pci_compound_match[] = {
{ },
};
+static const struct of_device_id pxa2xx_spi_of_match[] = {
+ { .compatible = "marvell,mmp2-ssp", .data = (void *)MMP2_SSP },
+ {},
+};
+MODULE_DEVICE_TABLE(of, pxa2xx_spi_of_match);
+
+#ifdef CONFIG_ACPI
+
+static int pxa2xx_spi_get_port_id(struct acpi_device *adev)
+{
+ unsigned int devid;
+ int port_id = -1;
+
+ if (adev && adev->pnp.unique_id &&
+ !kstrtouint(adev->pnp.unique_id, 0, &devid))
+ port_id = devid;
+ return port_id;
+}
+
+#else /* !CONFIG_ACPI */
+
+static int pxa2xx_spi_get_port_id(struct acpi_device *adev)
+{
+ return -1;
+}
+
+#endif /* CONFIG_ACPI */
+
+
+#ifdef CONFIG_PCI
+
static bool pxa2xx_spi_idma_filter(struct dma_chan *chan, void *param)
{
struct device *dev = param;
@@ -1422,6 +1434,8 @@ static bool pxa2xx_spi_idma_filter(struct dma_chan *chan, void *param)
return true;
}
+#endif /* CONFIG_PCI */
+
static struct pxa2xx_spi_master *
pxa2xx_spi_init_pdata(struct platform_device *pdev)
{
@@ -1431,11 +1445,15 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev)
struct resource *res;
const struct acpi_device_id *adev_id = NULL;
const struct pci_device_id *pcidev_id = NULL;
+ const struct of_device_id *of_id = NULL;
enum pxa_ssp_type type;
adev = ACPI_COMPANION(&pdev->dev);
- if (dev_is_pci(pdev->dev.parent))
+ if (pdev->dev.of_node)
+ of_id = of_match_device(pdev->dev.driver->of_match_table,
+ &pdev->dev);
+ else if (dev_is_pci(pdev->dev.parent))
pcidev_id = pci_match_id(pxa2xx_spi_pci_compound_match,
to_pci_dev(pdev->dev.parent));
else if (adev)
@@ -1448,6 +1466,8 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev)
type = (enum pxa_ssp_type)adev_id->driver_data;
else if (pcidev_id)
type = (enum pxa_ssp_type)pcidev_id->driver_data;
+ else if (of_id)
+ type = (enum pxa_ssp_type)of_id->data;
else
return NULL;
@@ -1466,11 +1486,13 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev)
if (IS_ERR(ssp->mmio_base))
return NULL;
+#ifdef CONFIG_PCI
if (pcidev_id) {
pdata->tx_param = pdev->dev.parent;
pdata->rx_param = pdev->dev.parent;
pdata->dma_filter = pxa2xx_spi_idma_filter;
}
+#endif
ssp->clk = devm_clk_get(&pdev->dev, NULL);
ssp->irq = platform_get_irq(pdev, 0);
@@ -1484,14 +1506,6 @@ pxa2xx_spi_init_pdata(struct platform_device *pdev)
return pdata;
}
-#else /* !CONFIG_PCI */
-static inline struct pxa2xx_spi_master *
-pxa2xx_spi_init_pdata(struct platform_device *pdev)
-{
- return NULL;
-}
-#endif
-
static int pxa2xx_spi_fw_translate_cs(struct spi_controller *master,
unsigned int cs)
{
@@ -1836,6 +1850,7 @@ static struct platform_driver driver = {
.name = "pxa2xx-spi",
.pm = &pxa2xx_spi_pm_ops,
.acpi_match_table = ACPI_PTR(pxa2xx_spi_acpi_match),
+ .of_match_table = of_match_ptr(pxa2xx_spi_of_match),
},
.probe = pxa2xx_spi_probe,
.remove = pxa2xx_spi_remove,